Jase
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Set bounties
 Nov 8 comment Sum of two stopping times is a stopping time? I thought that that is true because of the following: Since I'm told that $\sigma$ is a stopping time, then $\{\sigma \leq x\} \in \mathscr{F}_x$ for any $x \in [0,\infty)$. Now for $x = t - \tau$, it's true that the image $x(\omega)$ satisfies the above, but I'm not sure if $x$ itself does. I'm pretty bad at maths (unfortunately). Oct 17 comment Continuity and pushing a limit inside the function's domain Yes, it does, Thank YOU! Oct 17 comment Continuity and pushing a limit inside the function's domain (+1) I have a related question. Is this proposition true or false: $(f\text{ is Right continuous})\Rightarrow \neg (f\text{ is Left continuous})$ Sep 11 comment Probability of passing through 3 specific nodes along a binomial tree Please re-locate this thread to the quantitative finance stackexchange quant.stackexchange.com. There is way too much jargon that I didn't realize was specific to finance. Apologies. Sep 11 comment Probability of passing through 3 specific nodes along a binomial tree It's when we end up in the exact same spot on the y-axis after 2 movements, whether we go Up --> Down or Down --> Up.